PSTN Connect

Inventive network solutions keep your customers well connected

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Gain nationwide IP access with interconnectivity to a single network.

Inteliquent provides a ubiquitous and robust all-IP network solution allowing you to connect to the public switched telephone network (PSTN) without building or maintaining your own telecom ecosystem. Our comprehensive PSTN Connect is the smart solution for local exchange carriers (LECs), wireless carriers, communication service providers (CSPs) and cable companies — delivering excellent service, diversity, simplicity and cost savings by eliminating legacy TDM connections.

Our Network Ensures Reliability and Quality

Our 100% IP network was designed and built by experts to be the largest and highest quality on-net footprint in the U.S. — not pieced together with multiple providers, which means you’ll avoid backbone outages

Connect with the Industry Leader

Inteliquent is the biggest provider of PSTN Connect service — we have a multitude of wireless, LEC, cable and CSP customers, plus we completed the largest and most successful nationwide implementation for two of the nation's largest wireless carriers

All Call Types Welcome

Inteliquent provides transport for all inbound local and long distance calls, including toll-free, delivering voice traffic to you via diverse SIP connections, with support for outbound local and long distance routing


Say goodbye to legacy technologies.

We have the network covered for you with a single all-IP solution. We augment your network so you can kick your antiquated technology to the curb. You’ll reap the cost saving benefits and meet your mandates to turn down your legacy TDM network. Inteliquent gives you seamless nationwide access with IP interconnectivity to a single ubiquitous and robust network.

Let us save you from the complexity and cost of building or maintaining your own infrastructure.


Succeed with support from our experienced team.

Inteliquent deployed the nation’s largest and most successful PSTN replacement network. We provide new communication entrants a path for footprint expansion, and existing providers a way to eliminate interconnections while retaining carrier status. The strength is in our team, with deep knowledge about all stages of your implementation.

You’ll be assigned a dedicated project manager and regional support teams who will be with you at every turn and keep your deployment on track. Their goal is to give you the best experience and ensure you are set-up for success.

You can depend on us.


PSTN minutes routed annually


T-1s supporting PSTN routing


Five 9s service availability with 43 geo-redundant points of presence across the U.S.


ILEC and regional Bell operating company (RBOC) interconnections

Highlighted Features

Gain access to economical, simple, diverse and quality service.

Nationwide Network
Nationwide Coverage

We implemented the largest, most successful nationwide IP migration — full coverage supporting PSTN connection in 189 LATAs

Rapid Recovery Technology
Speed to Market

Nationwide build-out provides infrastructure for rapid deployment and support of business objectives

STIR/SHAKEN & Robocalling Mitigation

Protect customers from fraudulent calls and be STIR/SHAKEN compliant

Endlessly Scale
Free to Expand

Allows for unlimited growth with no up-front expansion costs

Cost Savings
Keep Access Billing Revenues

Reduce fixed costs by leveraging Inteliquent's switching, backhaul network and trouble resolution support

Save Money
Save Money

Replace fixed costs with variable — without TDM you'll lower capital expenses, stabilize costs and optimize headcount

Let's help you get started with the best PSTN Connect solution for your business.

  • Find out if a PSTN Connect solution is best for you
  • Schedule a technical review
  • Learn about pricing plans
Talk to an expert